MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d00a0836ea91458d1521ee4ebeaab0746a45b10901497a215b0bd0ebdf045e61. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AgentTesla


Vendor detections: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d00a0836ea91458d1521ee4ebeaab0746a45b10901497a215b0bd0ebdf045e61
SHA3-384 hash: 23e70f301577d32f1ce9feee6f21d07bed3c0220f55245f8c5d47e5efc7ea1aeb731bfc7adce43b156036946034a0e88
SHA1 hash: 92baae7d4da34c18807942cfb6c9f11906450d49
MD5 hash: 33b370e37c963a7e3051a98a63429e4f
humanhash: grey-fillet-mars-mobile
File name:IAhYP4OuQ52pglH.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:635'392 bytes
First seen:2020-08-04 06:27:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:o9SfIVK2iNHL3OxQhW1B9UIoWJapE5hEdt5sKPkN9Dsy2OyfDh:6Rc1AxN1B9cWd56dnrPqQOuh
Threatray 11'166 similar samples on MalwareBazaar
TLSH 96D4D025B561D841D3EF1A36CDCF545887ECAC023292DF3BFE9E32595402BAB9C029D9
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.jetsd.live
Sending IP: 176.119.30.85
From: Yonzhi Tan <info@jetsd.live>
Reply-To: Yonzhi Tan <rosiespastas@yahoo.com>
Subject: RFQ ORDER 002267
Attachment: ORDER 002267.IMG (contains "IAhYP4OuQ52pglH.exe")

AgentTesla SMTP exfil server:
smtp.studlandstol.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/38170/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/408633
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Capture Wi-Fi password
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256552 Sample: IAhYP4OuQ52pglH.exe Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 71 Found malware configuration 2->71 73 Sigma detected: Capture Wi-Fi password 2->73 75 Sigma detected: Scheduled temp file as task from temp location 2->75 77 8 other signatures 2->77 8 IAhYP4OuQ52pglH.exe 7 2->8         started        12 uEtmoKl.exe 5 2->12         started        14 uEtmoKl.exe 2->14         started        process3 file4 55 C:\Users\user\AppData\...\&startupname&.exe, PE32 8->55 dropped 57 C:\...\&startupname&.exe:Zone.Identifier, ASCII 8->57 dropped 59 C:\Users\user\AppData\Local\...\tmp45F6.tmp, XML 8->59 dropped 61 C:\Users\user\...\IAhYP4OuQ52pglH.exe.log, ASCII 8->61 dropped 93 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->93 95 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->95 97 Injects a PE file into a foreign processes 8->97 16 IAhYP4OuQ52pglH.exe 2 7 8->16         started        21 schtasks.exe 1 8->21         started        99 Machine Learning detection for dropped file 12->99 23 uEtmoKl.exe 4 12->23         started        25 schtasks.exe 1 12->25         started        27 uEtmoKl.exe 12->27         started        29 uEtmoKl.exe 14->29         started        31 schtasks.exe 14->31         started        signatures5 process6 dnsIp7 63 smtp.studlandstol.com 16->63 65 us2.smtp.mailhostbox.com 208.91.199.225, 49726, 49732, 49736 PUBLIC-DOMAIN-REGISTRYUS United States 16->65 51 C:\Users\user\AppData\Roaming\...\uEtmoKl.exe, PE32 16->51 dropped 53 C:\Users\user\...\uEtmoKl.exe:Zone.Identifier, ASCII 16->53 dropped 79 Tries to harvest and steal WLAN passwords 16->79 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->81 83 Installs a global keyboard hook 16->83 33 netsh.exe 16->33         started        35 conhost.exe 21->35         started        67 smtp.studlandstol.com 23->67 37 netsh.exe 23->37         started        39 conhost.exe 25->39         started        69 smtp.studlandstol.com 29->69 85 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->85 87 Tries to steal Mail credentials (via file access) 29->87 89 Tries to harvest and steal ftp login credentials 29->89 91 Tries to harvest and steal browser information (history, passwords, etc) 29->91 41 netsh.exe 29->41         started        43 conhost.exe 31->43         started        file8 signatures9 process10 process11 45 conhost.exe 33->45         started        47 conhost.exe 37->47         started        49 conhost.exe 41->49         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d00a0836ea91458d1521ee4ebeaab0746a45b10901497a215b0bd0ebdf045e61/
Threat name:
ByteCode-MSIL.Trojan.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 06:29:06 UTC
AV detection:
33 of 48 (68.75%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2afaqnxksfcy2fjb5zhl5kvqorvelmijafexuik3bpioxxyelzqq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 11'156 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla persistence
Link:
https://tria.ge/reports/200804-exgncwgbhs/
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d00a0836ea91458d1521ee4ebeaab0746a45b10901497a215b0bd0ebdf045e61

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

img 9cac91adc3dbc1fdd15e503391b9656ec2d7b9b31e72273b34afb4dad684dc67

AgentTesla

Executable exe d00a0836ea91458d1521ee4ebeaab0746a45b10901497a215b0bd0ebdf045e61

(this sample)

  
Dropped by
MD5 7668436fa63679f38c2412dad1cec7a5
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38170/
  
Dropped by
SHA256 9cac91adc3dbc1fdd15e503391b9656ec2d7b9b31e72273b34afb4dad684dc67

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